Cognomen Ryver (Reba 
, Ryver 
, Rivere 
) , in the world, is quite a common family name. The surname Ryver is characteristic of Israel, where it is quite a rare surname, Serbia, and Slovenia. Not in comparison with a country's population, it is commonest in Bangladesh, the United States, and Ethiopia. Much more prevalently, Ryver is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reba | Ethiopia, Bangladesh, Indonesia, India, United States |
| Ryver | Brazil, Norway, United States, Canada |
| Rivere | Malaysia, France, Philippines, Brazil, United States |